fix:Bound LRU cache of _morton_order to 16

mkitti · mkitti · commit 1cdcbdfe3a6c · 2026-02-13T07:31:34.000-05:00
diff --git a/src/zarr/core/indexing.py b/src/zarr/core/indexing.py
@@ -1503,7 +1503,7 @@ def decode_morton_vectorized(
     return out
 
 
-@lru_cache
+@lru_cache(maxsize=16)
 def _morton_order(chunk_shape: tuple[int, ...]) -> tuple[tuple[int, ...], ...]:
     n_total = product(chunk_shape)
     if n_total == 0:
